64288978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 108605952

約数和(自身を除く): 44316974

約数列:

[1, 2, 13, 26, 31, 62, 83, 166, 403, 806, 961, 1079, 1922, 2158, 2573, 5146, 12493, 24986, 29791, 33449, 59582, 66898, 79763, 159526, 387283, 774566, 1036919, 2073838, 2472653, 4945306, 32144489, 64288978]

約数ペア:

[(1, 64288978), (2, 32144489), (13, 4945306), (26, 2472653), (31, 2073838), (62, 1036919), (83, 774566), (166, 387283), (403, 159526), (806, 79763), (961, 66898), (1079, 59582), (1922, 33449), (2158, 29791), (2573, 24986), (5146, 12493)]